the jimmy hoffa mystery solved? this is a live look at the suburban detroit home where investigators are digging right now. more from the scene in a bit. >>> get your flag pins and sense of pride. we're talking economic patriotism on the campaign trail. newsroom starts now. >>> good morning. happy friday to you. i am carol costello. we begin this hour, new intrigue in one of the most iconic crime mysteries in u.s. history. police in the detroit suburb of roseville may be breaking new ground in the 1975 disappearance of the former union boss jimmy hoffa. minutes ago crews began drilling a core sample from what used to be a driveway. they say a credible tip alerted them to a possible burial just around the time hoffa vanished. susan candiotti is in the neighborhood. i know, susan, you have been down this road before. >> reporter: i have. we were back here in 2006 when fbi received what it believed to be a credible tip, and they dug at the horse farm quite a bit. they spent a lot of money doing so but didn't find anyth